Formula: TlFe2S3
Origin of name: for Paul Picot, French geologist
Crystal system: orthorhombic
Crystal class: 222
Twinning:
Unit cell:
Colour: bronze
Diaphaneity:
Luster: metallic
Habit: crystals pseudohexagonal
Hardness: 2
Specific gravity: 5.20
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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